Yes, other than that each machine is used for different procedures. A standard rotary floor machine operates at 175 RPM (revolutions per minute). Some may run at higher speeds of up to 1250 RPM. A burnisher runs at 1,500 to 2,500 RPM (as defined in IICRC courses). The standard rotary machine at 175 RPM works side to side and has multiple uses that include... — Lynn E. Krafft, ICAN/ATEX Associate Editorlekrafft@juno.com